[PATCH 3/4] stack overflow safe kdump ( 2.6.15-rc3-i386) - do_nmi

[Fernando Luis Vazquez Cao]

crash_nmi_callback is called right after a system crash which might have
caused by stack overflow, thus smp_processor_id should not be trusted.
Use the safe replacement safe_smp_processor_id.

---
diff -urNp linux-2.6.15-rc3/arch/i386/kernel/traps.c linux-2.6.15-rc3-sov/arch/i386/kernel/traps.c
--- linux-2.6.15-rc3/arch/i386/kernel/traps.c	2005-11-30 14:51:49.000000000 +0900
+++ linux-2.6.15-rc3-sov/arch/i386/kernel/traps.c	2005-11-30 14:55:57.000000000 +0900
@@ -648,7 +648,7 @@ fastcall void do_nmi(struct pt_regs * re
 
 	nmi_enter();
 
-	cpu = smp_processor_id();
+	cpu = safe_smp_processor_id();
 
 #ifdef CONFIG_HOTPLUG_CPU
 	if (!cpu_online(cpu)) {


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